773-420 Prefix — Chicgozn01, Illinois

Phone numbers starting with 773-420 are based in Chicgozn01, Illinois, primarily served by Verizon.

Recently looked-up numbers in 773-420

• 773-420-8207
• 773-420-6355

More about this region

Area code 773 directory · About area code 773 · Get a IL phone number

Last updated: March 28, 2026